http://www.ck12.org Chapter 12. Rigid Transformations
- Measure the angle between linesmandn. Make sure it is the angle which contains 4 A′B′C′in the interior of
the angle. - What is the relationship between the angle of rotation and the angle between the two lines of reflection?
Review Queue Answers
1.X′(− 9 , 2 ),Y′(− 2 , 4 ),Z′(− 7 , 8 )
2.X′′(− 9 ,− 2 ),Y′′(− 2 ,− 4 ),Z′′(− 7 ,− 8 )- 4 X′′Y′′Z′′is the double negative of 4 XY Z;(x,y)→(−x,−y)